diff --git a/libs/partners/huggingface/langchain_huggingface/data/_profiles.py b/libs/partners/huggingface/langchain_huggingface/data/_profiles.py
index 9e7eb2ca29..a8067aa073 100644
--- a/libs/partners/huggingface/langchain_huggingface/data/_profiles.py
+++ b/libs/partners/huggingface/langchain_huggingface/data/_profiles.py
@@ -640,6 +640,28 @@ _PROFILES: dict[str, dict[str, Any]] = {
         "temperature": True,
         "tool_call_streaming": True,
     },
+    "deepseek-ai/DeepSeek-V4-Flash-0731": {
+        "name": "DeepSeek V4 Flash 0731",
+        "release_date": "2026-07-31",
+        "last_updated": "2026-07-31",
+        "open_weights": True,
+        "max_input_tokens": 1048576,
+        "max_output_tokens": 384000,
+        "text_inputs": True,
+        "image_inputs": False,
+        "audio_inputs": False,
+        "video_inputs": False,
+        "text_outputs": True,
+        "image_outputs": False,
+        "audio_outputs": False,
+        "video_outputs": False,
+        "reasoning_output": True,
+        "tool_calling": True,
+        "structured_output": True,
+        "attachment": False,
+        "temperature": True,
+        "tool_call_streaming": True,
+    },
     "deepseek-ai/DeepSeek-V4-Pro": {
         "name": "DeepSeek V4 Pro",
         "release_date": "2026-04-24",
diff --git a/libs/partners/openrouter/langchain_openrouter/data/_profiles.py b/libs/partners/openrouter/langchain_openrouter/data/_profiles.py
index dadcfb42f3..8d495cea94 100644
--- a/libs/partners/openrouter/langchain_openrouter/data/_profiles.py
+++ b/libs/partners/openrouter/langchain_openrouter/data/_profiles.py
@@ -553,7 +553,7 @@ _PROFILES: dict[str, dict[str, Any]] = {
         "tool_calling": True,
         "structured_output": True,
         "attachment": True,
-        "temperature": False,
+        "temperature": True,
         "tool_call_streaming": True,
     },
     "anthropic/claude-opus-5-fast": {
@@ -2318,7 +2318,7 @@ _PROFILES: dict[str, dict[str, Any]] = {
         "last_updated": "2024-12-06",
         "open_weights": True,
         "max_input_tokens": 131072,
-        "max_output_tokens": 128000,
+        "max_output_tokens": 16384,
         "text_inputs": True,
         "image_inputs": False,
         "audio_inputs": False,
@@ -5497,7 +5497,7 @@ _PROFILES: dict[str, dict[str, Any]] = {
         "last_updated": "2025-07-21",
         "open_weights": True,
         "max_input_tokens": 262144,
-        "max_output_tokens": 16384,
+        "max_output_tokens": 32768,
         "text_inputs": True,
         "image_inputs": False,
         "audio_inputs": False,
@@ -5673,7 +5673,7 @@ _PROFILES: dict[str, dict[str, Any]] = {
         "last_updated": "2025-04",
         "open_weights": True,
         "max_input_tokens": 262144,
-        "max_output_tokens": 262144,
+        "max_output_tokens": 32768,
         "text_inputs": True,
         "image_inputs": False,
         "audio_inputs": False,
@@ -5805,7 +5805,7 @@ _PROFILES: dict[str, dict[str, Any]] = {
         "last_updated": "2025-09",
         "open_weights": True,
         "max_input_tokens": 262144,
-        "max_output_tokens": 262144,
+        "max_output_tokens": 16384,
         "text_inputs": True,
         "image_inputs": False,
         "audio_inputs": False,
@@ -5893,7 +5893,7 @@ _PROFILES: dict[str, dict[str, Any]] = {
         "last_updated": "2025-10-06",
         "open_weights": True,
         "max_input_tokens": 262144,
-        "max_output_tokens": 32768,
+        "max_output_tokens": 16384,
         "text_inputs": True,
         "image_inputs": True,
         "audio_inputs": False,
@@ -6179,7 +6179,7 @@ _PROFILES: dict[str, dict[str, Any]] = {
         "last_updated": "2026-04-22",
         "open_weights": True,
         "max_input_tokens": 262144,
-        "max_output_tokens": 65536,
+        "max_output_tokens": 131072,
         "text_inputs": True,
         "image_inputs": True,
         "audio_inputs": False,
@@ -6349,6 +6349,28 @@ _PROFILES: dict[str, dict[str, Any]] = {
         "temperature": True,
         "tool_call_streaming": True,
     },
+    "qwen/qwen3.8-max": {
+        "name": "Qwen3.8 Max",
+        "release_date": "2026-08-03",
+        "last_updated": "2026-08-03",
+        "open_weights": False,
+        "max_input_tokens": 1000000,
+        "max_output_tokens": 131072,
+        "text_inputs": True,
+        "image_inputs": True,
+        "audio_inputs": False,
+        "video_inputs": True,
+        "text_outputs": True,
+        "image_outputs": False,
+        "audio_outputs": False,
+        "video_outputs": False,
+        "reasoning_output": True,
+        "tool_calling": True,
+        "structured_output": True,
+        "attachment": True,
+        "temperature": True,
+        "tool_call_streaming": True,
+    },
     "rekaai/reka-edge": {
         "name": "Reka Edge",
         "release_date": "2026-03-20",
@@ -6630,7 +6652,7 @@ _PROFILES: dict[str, dict[str, Any]] = {
         "video_outputs": False,
         "reasoning_output": True,
         "tool_calling": True,
-        "structured_output": True,
+        "structured_output": False,
         "attachment": False,
         "temperature": True,
         "tool_call_streaming": True,
@@ -6707,7 +6729,7 @@ _PROFILES: dict[str, dict[str, Any]] = {
         "last_updated": "2024-11-08",
         "open_weights": True,
         "max_input_tokens": 1024000,
-        "max_output_tokens": 32768,
+        "max_output_tokens": 1024000,
         "text_inputs": True,
         "image_inputs": False,
         "audio_inputs": False,
@@ -7218,7 +7240,7 @@ _PROFILES: dict[str, dict[str, Any]] = {
         "last_updated": "2026-06-13",
         "open_weights": True,
         "max_input_tokens": 1048576,
-        "max_output_tokens": 131072,
+        "max_output_tokens": 262144,
         "text_inputs": True,
         "image_inputs": False,
         "audio_inputs": False,